Neurosis, formerly called neurosis, is a mental disorder with decreased mental activity, anxiety, depression, or hypochondria and various physical complaints as the main symptoms. There are five common characteristics: 1. The onset of the disorder is often preceded by triggering factors or psychological factors, such as stress or social or work changes, etc. 2. Patients, especially those with a particular type of disorder, usually have common personality traits. Some people are sentimental, some are prone to anxiety, etc. 3, there is no corresponding physical disease as a prerequisite, that is, there is tension, anxiety, and even hypochondria, somatization disorder, but to go to the hospital examination but no obvious physical disease, there is no obvious organic lesions. 4, the patient’s social function is relatively intact, such as learning ability is relatively normal, the ability to work can also adhere to complete. 5, patients with neurosis self-knowledge. , patients with neurosis have relatively full self-knowledge, or most of their self-knowledge is complete. Especially in mental illness, the evaluation of self-knowledge is very important, especially for the recognition of their own mental disorders and the act of seeking medical treatment. Most neurotic patients have full self-knowledge and their ability to test their own reality is not impaired.